Quarter	Percentage of GDP
1992-01-01	22.5
1992-04-01	21.7
1992-07-01	20.8
1992-10-01	19.4
1993-01-01	18.9
1993-04-01	18.8
1993-07-01	18.5
1993-10-01	18.2
1994-01-01	17.7
1994-04-01	16.9
1994-07-01	16.1
1994-10-01	15.9
1995-01-01	15.3
1995-04-01	15.0
1995-07-01	15.2
1995-10-01	15.8
1996-01-01	16.1
1996-04-01	16.5
1996-07-01	17.4
1996-10-01	18.0
1997-01-01	18.7
1997-04-01	19.1
1997-07-01	19.7
1997-10-01	19.9
1998-01-01	20.2
1998-04-01	20.6
1998-07-01	21.2
1998-10-01	21.6
1999-01-01	22.7
1999-04-01	23.2
1999-07-01	24.3
1999-10-01	24.5
2000-01-01	24.7
2000-04-01	26.5
2000-07-01	25.8
2000-10-01	25.6
2001-01-01	25.7
2001-04-01	25.7
2001-07-01	26.8
2001-10-01	26.2
2002-01-01	25.8
2002-04-01	26.4
2002-07-01	26.8
2002-10-01	26.0
2003-01-01	26.9
2003-04-01	26.7
2003-07-01	27.0
2003-10-01	26.7
2004-01-01	26.8
2004-04-01	26.4
2004-07-01	26.1
2004-10-01	25.5
2005-01-01	25.8
2005-04-01	26.4
2005-07-01	26.9
2005-10-01	27.1
2006-01-01	27.8
2006-04-01	29.0
2006-07-01	30.2
2006-10-01	31.2
2007-01-01	32.6
2007-04-01	34.3
2007-07-01	36.2
2007-10-01	37.1
2008-01-01	38.8
2008-04-01	40.5
2008-07-01	42.9
2008-10-01	47.5
2009-01-01	49.5
2009-04-01	48.7
2009-07-01	48.1
2009-10-01	47.3
2010-01-01	46.9
2010-04-01	48.9
2010-07-01	48.5
2010-10-01	48.7
2011-01-01	48.2
2011-04-01	49.4
2011-07-01	51.2
2011-10-01	51.3
2012-01-01	50.4
2012-04-01	50.7
2012-07-01	50.4
2012-10-01	49.9
2013-01-01	50.1
2013-04-01	51.0
2013-07-01	51.3
2013-10-01	50.9
2014-01-01	51.3
2014-04-01	51.9
2014-07-01	52.5
2014-10-01	52.2
2015-01-01	53.1
2015-04-01	53.8
2015-07-01	54.2
2015-10-01	53.6
2016-01-01	53.7
2016-04-01	54.4
2016-07-01	54.4
2016-10-01	54.5
2017-01-01	53.9
2017-04-01	53.9
2017-07-01	53.5
2017-10-01	52.6
2018-01-01	52.7